12 Theories and techniques of oral implantology

Fig. 1-31. Both helical burs are in the correct position, parallel to each other and to the anterior crowns.

Fig. 1-32. A radiograph shows the helical burs parallel to one another.

Fig. 1-33. A self-tapping vent-plant is screwed into position with the use of the ratchet and prolongator.

Fig. 1-34. An intraoral film shows the vent-plant and the helical bur.

Fig. 1-35. A, A second vent-plant is screwed into position 5 mm. distal to the first. B, Both vent-plants are in proper position.

A

B